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Fragment Ancestor Reveal Conditions Analyzer
x402
Fragment Ancestor Reveal Conditions Analyzer is a paid API for AI agents from detect.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-11-09).
Analyzes a webpage URL to identify ancestor reveal conditions (hidden-until-found elements and closed details) that must be opened along the ancestry path of each fragment-linked target.
Price / call$0.003
Success—
StatusUnknown
How this service works
An agent that preserves static fragment navigation needs declared hidden-until-found removal and closed-details opening steps along each linked target ancestry.
Output
A structured report of each fragment-linked target on the page, listing the ancestry conditions that must be satisfied (e.g. which details elements must be opened, which hidden-until-found attributes must be cleared) for the fragment navigation to successfully reach and display that target.
Example use cases
Audit docs site for broken anchor links
“Check https://docs.myproduct.com/reference for all in-page anchor links and tell me which ones are blocked by hidden or closed ancestor elements that need to be opened first.”
Fix fragment navigation in generated HTML
“I'm building a static site at https://staging.mysite.com/faq and I want to make sure all the hash links actually scroll to visible content — can you find any hidden-until-found or closed details elements sitting in the ancestor chain of my fragment targets?”
Accessibility review for disclosure widgets
“Run an analysis on https://widgets.example.com/accordion-page to find every anchor target that's inside a closed details element or a hidden-until-found section, so I know what needs to be opened before those links land correctly.”
Technical details
Endpoint
POSThttps://detect.halowerk.com/v1/website-declaration-relations/fragment-ancestor-reveal-conditions?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to audit or repair static HTML pages where in-page fragment navigation (#anchor links) may be broken because target elements are hidden inside closed <details> elements or hidden-until-found sections. Particularly useful for documentation sites, FAQs, and accessibility audits where disclosure widgets or progressive disclosure patterns are common.
Side effects
- Invalid or unreachable URL returns an error indicating the page could not be fetched
- Malformed URL format causes input validation failure
- Pages with no fragment targets return an empty result set
- Dynamic content loaded via JavaScript may not be fully analyzed if server-side HTML lacks the required structure
- Very large pages may time out or return partial results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string |
Tags
x402
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